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Question 31000
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Fluid Mechanics: Fluid Dynamics Advanced MCQ

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Fluid Dynamics AdvancedHardQuestion 31000

Question

Karman vortex street (periodic vortex shedding) forms when Reynold's number is:
  1. A
    < 1
  2. B
    ~10
  3. C
    ~100–1000
    Correct
  4. D
    > 10⁶

Correct answer

~100–1000

Explanation

Vortex shedding from a cylinder occurs for Re ~ 40–1000. At very high Re, flow becomes fully turbulent without regular vortex street.

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